<?php
$url = urldecode($_GET['url']);
//$url = $_GET['url'];
function get_url() {
  $sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
  $php_self = $_SERVER['PHP_SELF'] ? $_SERVER['PHP_SELF'] : $_SERVER['SCRIPT_NAME'];
  $path_info = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
  $relate_url = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : $php_self.(isset($_SERVER['QUERY_STRING']) ? '?'.$_SERVER['QUERY_STRING'] : $path_info);
  return $sys_protocal.(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '').$relate_url;
}
//$url = get_url();
//var_dump($url);
//$url = "http://www.cignacmbfans.com/static/h5/xingqiu/index.html";
//var_dump($url);exit();
class JSSDK {
  private $appId;
  private $appSecret;
  private $url;
  public function __construct($appId, $appSecret,$url) {
    $this->appId = $appId;
    $this->appSecret = $appSecret;
    $this->url = $url;
  }
  
  public function getCardSignPackage() {
    //$jsapiTicket = $this->getJsApiTicket();
		$apiTicket = $this->getApiTicket();
    $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
   // $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
    $url =$this->url;
    $timestamp = time();
    $nonceStr = $this->createNonceStr();
		$cardId = "pWcyNjt6ya3JzNuYVs1tEgOEbejc";
		$code = "";
		$openId = "";
		$arr        = array($apiTicket, $code, $timestamp, $nonceStr, $cardId);
		
		sort($arr, SORT_STRING);
//		var_dump(implode($arr));
		$signature  = sha1(implode($arr));
    // ��������˳��Ҫ���� key ֵ ASCII ����������
//  $string = "api_ticket=$apiTicket&nonce_str=$nonceStr&timestamp=$timestamp&card_id=$cardId";
//	$string = "$timestamp$nonceStr$apiTicket$cardId";
//  $signature = sha1($string);
    $signPackage = array(
//    "ticket" => $apiTicket,
      "nonce_str" => $nonceStr,
      "timestamp" => $timestamp,
      "signature" => $signature
    );
    return $signPackage; 
  }

  public function getSignPackage() {
    $jsapiTicket = $this->getJsApiTicket();
		
    $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
   // $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
    $url =$this->url;
    $timestamp = time();
    $nonceStr = $this->createNonceStr();

    // ��������˳��Ҫ���� key ֵ ASCII ����������
    $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";
    $signature = sha1($string);
    $signPackage = array(
      "appId"     => $this->appId,
      "nonceStr"  => $nonceStr,
      "timestamp" => $timestamp,
      "url"       => $url,
      "signature" => $signature,
      "rawString" => $string
    );
    return $signPackage; 
  }

  private function createNonceStr($length = 16) {
    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    $str = "";
    for ($i = 0; $i < $length; $i++) {
      $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
    }
    return $str;
  }
  
  private function getApiTicket() {
  	$data = json_decode(file_get_contents("api_ticket.json"));
		if ($data->expire_time < time()) {
			$accessToken = $this->getAccessToken();
      // �������ҵ�������� URL ��ȡ ticket
      // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
      $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=wx_card&access_token=$accessToken";
      $res = json_decode($this->httpGet($url));
      $ticket = $res->ticket;
      if ($ticket) {
        $data->expire_time = time() + 7000;
        $data->api_ticket = $ticket;
        $fp = fopen("api_ticket.json", "w");
        fwrite($fp, json_encode($data));
        fclose($fp);
      }
		}else {
      $ticket = $data->api_ticket;
    }
		return $ticket;
  }

  private function getJsApiTicket() {
    // jsapi_ticket Ӧ��ȫ�ִ洢����£����´�����д�뵽�ļ�����ʾ��
    $data = json_decode(file_get_contents("jsapi_ticket.json"));
    if ($data->expire_time < time()) {
      $accessToken = $this->getAccessToken();
      // �������ҵ�������� URL ��ȡ ticket
      // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
      $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
      $res = json_decode($this->httpGet($url));
      $ticket = $res->ticket;
      if ($ticket) {
        $data->expire_time = time() + 7000;
        $data->jsapi_ticket = $ticket;
        $fp = fopen("jsapi_ticket.json", "w");
        fwrite($fp, json_encode($data));
        fclose($fp);
      }
    } else {
      $ticket = $data->jsapi_ticket;
    }

    return $ticket;
  }

  private function getAccessToken() {
    // access_token Ӧ��ȫ�ִ洢����£����´�����д�뵽�ļ�����ʾ��
    $data = json_decode(file_get_contents("access_token.json"));
    if ($data->expire_time < time()) {
      // �������ҵ��������URL��ȡaccess_token
      // $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";
      $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
      $res = json_decode($this->httpGet($url));
      $access_token = $res->access_token;
      if ($access_token) {
        $data->expire_time = time() + 7000;
        $data->access_token = $access_token;
        $fp = fopen("access_token.json", "w");
        fwrite($fp, json_encode($data));
        fclose($fp);
      }
    } else {
      $access_token = $data->access_token;
    }
    return $access_token;
  }

  private function httpGet($url) {
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_TIMEOUT, 500);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($curl, CURLOPT_URL, $url);
    $res = curl_exec($curl);
    curl_close($curl);
    return $res;
  }
}

$jssdk = new JSSDK("wx93a1962048083e49", "58bf3f6bef4f6cf604e8f591df5c45e3",$url);//�����Լ��Ĺ��ں���д
$signPackage = $jssdk->GetSignPackage();
$tmp=json_encode(array (
'appId'=>$signPackage["appId"],
'timestamp'=>$signPackage["timestamp"],
'nonceStr'=>$signPackage["nonceStr"],
'signature'=>$signPackage["signature"],
'url'=>$signPackage["url"],
'cardData' => $jssdk->getCardSignPackage()
));
echo $tmp;
//$callback = $_GET['callback'];
//echo $callback.'('.$tmp.')';
exit;
?>
